SD4i

ShieldDrive represents the next generation of scientific vacuum technology, engineered for absolute reliability, zero leakage, and effortless maintenance. Designed with corrosion-resistant core components, the latest “SDi-Series” performs flawlessly even in harsh chemical environments, high humidity, and corrosive gas applications. Its advanced magnetic drive and mechanical shielding technology create a fully hermetic seal, eliminating oil leakage issues common in traditional dynamic seal pumps.

With its robust construction, convenience features, intelligent controls, and guaranteed leak-free performance, the “SDi-Series” ShieldDrive Vacuum Pump delivers a worry-free vacuum solution for critical applications where reliability truly matters. Ideal for laboratory use, its robust design guarantees leak-free performance in critical applications.

  • Quick-Change Oil Mist Filter: Built-in high-performance oil mist filter prevents oil vapor coming into working environments. Easy maintenance.
  • Easy Oil Change: Detachable oil reservoir for fast replacement
  • Corrosion-Resistant: Designed with a proprietary coating to perform in corrosive applications.
  • Leak-Free Operation: Magnetic shield design enhances the connection between the motor and pump to ensure leak-free operation.
  • Anti Suck Back Design: Protecting vacuum system from oil contamination during an unexpected shutdown.
  • Eco Mode: The pump is equipped with a variable-frequency motor, and the Eco Mode allows the pump to run at peak efficiency, optimizing both energy consumption and noise.
  • Gas Ballast: Adjustable gas ballast allows for the different requirements of condensable gas to be exhausted.
  • Oil: Proprietary mineral oil included with the pump. All models can be prepped with high perfromance PFPE.

Technical Specification

Specification Units SD4i SD4i-2
Performance
Pumping speed (50Hz) m3/h (CFM) — 4 (2.356)
Pumping speed (60Hz) m3/h (CFM) 4.5 (2.6505) 4.5 (2.6505)
Vacuum / Pressure
Ultimate Pressure without Gas Ballast Torr (mbar) 1.5×10-3 (2.0×10-3) 1.5×10-3 (2.0×10-3)
Ultimate Pressure with Gas Ballast Torr (mbar) 2.2×10-2 (3.0×10-2) 2.2×10-2 (3.0×10-2)
Connections / Cooling
Cooling Method Air Air
Inlet / Exhaust KF25 / KF25 KF25 / KF25
Noise level dB(A) 50 50
Communication None None
Oil / Electrical
Oil Type Hydrocarbon Hydrocarbon
Recommended Oil NPO46 NPO46
Oil capacity Liters 0.8 0.8
Motor Power kW (HP) 0.25 (0.34) 0.25 (0.34)
Power Supply Single Phase, 115V, 60 Hz Single Phase, 200-240V @ 50 Hz, 200-240V @ 60 Hz
IP Level IP44 IP44
Physical
Weight lbs (kg) 36 (17) 36 (17)
Dimensions Inches (mm) 17 x 7 x 11 (424 x 168 x 279) 17 x 7 x 11 (424 x 168 x 279)

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